Ignition-switch lock for automobiles



March 17, 1931. F, w, ANDREW 1,796,976 v IGNITION SWITCH LOCK'FORAUTOMOBILES Filed sept. 29. 1927 ATTORNEY Patented Mar. 17, 1931 UNiTEDSTATES PATENT OFFICE FREDERICK W. ANDREW, OF ANDALUSIA, PENNSYLVANIA,ASSIGNOR, BY MESNE SIGNMENTS, TO THE ELECTROLOCK MANUFACTURING COMPANY,OF VICKSBURG,

MISSISSIPPI, A CORPORATION OF MISSISSIPPI I IGNITION -SWITCE LOCK FORAUTOMOBILES Application led September 29,1927. Serial No. 222,712.

My invention relates to ignition switch locks for automobiles and thelike and it has for its general object to provide a switch lock of novelconstruction including means actuated upon the locking of the switch toopen the same and break the ignition circuit.

It also is an object of the invention to provide a switch includingmeans of novel construction whereby upon the actuation of the lockingmeans thereof into locking position the switch is opened to break theignition circuit and 'at the same time the switch-casing is locked tostationary portions'ot the automobile structure upon which the switch ismounted.

Another object of the invention is to prof vide an ignition switchhaving a lock in which the locking bolt is provided with means whichoperates automatically upon its movement into locked position to breakthe ignition circuit and simultaneously to ground a portion ofthe saidcircuit.

To these and other ends my invention comprehends the construction andarrangement of parts as hereinafter described in detail, particularlypointed out in the claims and illustrated in the drawing in lwhich Ihave shown one form of mechanical embodiment of the said invention.However, it will be understood that the invention may be .embodied inother forms of construction than that shown and that changes in thedetails ot construction may be made within thescope of the claimswithout Vdepartingpfrom the said invention or the principle thereof.

In the drawing:

Fig. 1 is a view in longitudinal vertical sec= tion et an ignitionswitchv lock embodying the invention;

F ig. 2 is a similar view with certain ot the parts shown in differentposition from what they are shown in Fig. l;

Fig. 3 is a transverse sectional view taken on the lineB-f of Fig. 1;

Fig. 4 is a transverse sectlonal view taken on the line 4-4 of Fig. 2;and

Fig. 5 is a transverse sectional view taken,v

on the line 5--5 of Fig. 1. f x

In the drawing I have shown portions of conducting wires l and 2, theformer ot which entends to and is connected with the timerdistributor,not shown. The latter wire 2 is `extended to and connected with one endof the primary coil of a transformer, the other end of the latter beingconnected to a battery 'or othersource of electric energy, neither thetranstormernor the battery being shown. I`hecireuits are completedthrough ground 1n known manner and in consequence a diagram thereof isnot shown. The relative arrangement or succession-of the parts in theconducting line 2 may be varied if desired mounted permanently within athimble 4 consisting of an extension ot the inner end portion of theswitch lock casing 5. The conducting Wire-1 is connected within the lockcasing 5 to a metal terminal 6 which is detachably mounted within ametal sleeve 7 which in turn is mounted within an opening 8 providedwithin a block 10 of insulating material. The outer end of the sheathing14 of insulating material around the conducting wire 1 extends throughan opening in a disk 14a of insulating material mounted within thecasing 5 between the block 10 of insulating material and the adjoiningend of said casing.

A spring contact 15 is secured to the terminal 6 and supported thereby.rFhe'said contact is provided with a transversely extending portion 17;having an opening therethrough as shown through which the terminal 6passes.y The outer-end of the said terminal is upset as indicated so asto secure the i said contact'15 thereto. The contact 15 is ot springmetal and by reason of its spring ac# tlon normally contacts with theinner end of a contact terminal 20 mounted in the block, 10

of insulating material and extending transwithin an opening 23 in theside of the casing 5. One end of the conducting wire 2 is connected tothe binding post 2l in known manner and as illustrated in Figs. 1 and 2;vThe casing 1 extends outwardly through a split lining -or sleevemounted within a tubular inwardly projecting support 26 provided withanoutwardly extending flange at its forward end as indicated at 27 whlchis secured to the dashboard -28of the car by I means of rivets asindicated at 29 orb)7 any duplicated .but the opposite end portionAthereof, o`r at least one end portion thereof, should'be free ordisconnected from the tubular support 26 in order that the said sleevemay be caused to clamp the easing 5. In

order to effect clamping action of the lining or 'sleeve 25 upon thesaid casing the opposite ends of said sleeve are provided with lateralproJections as indicated at 31 which project outwardly through a slot ornotch 32 in the.

tubular support 26 previously referred to. The projections 31 areprovided with openings through which a tightening bolt 33 extends. thetightening' and the loosening thereof -being eliected bymeans-of a nut34 in obvious and known manner.

A lock vcylinder 40 is mounted within the outer end portion of thecasing 5 and is recip rocable therein. The'said cylinder is rovided witha ltransversely -movable lodgingl bolt 41 which is adapted to beactuated into unlocked position by means of a key indicated in dash anddot lines at 42. A, spring, riot shown', tends to cause outward movementol' the said bolt in a direction transversely of the cylinder l40. Thebolt ,'41 is provided with a pin 43 secured thereto at a pointintermediate its ends, which pin extends in a direction parallel withthe axis of the cylinder 3'0 andv with the axis of the casing 5. The pin43 extends through 'a slot 45 provided in the inner end wall 46 of thelock cylinder structure. When the lock is moved inwardly into lockingposition the locking bolt 41 is moved outwardly through an opening 47 inthe casing 5 and into an opening 48 in the lining or sleeve 25. When insuch position thev lock casing 5 is locked to the'lining or sleeve 25and the tubular support 26. In moving the lock cylinder 40 inwardly tothe position as illustrated in Fig. 2 of the drawing a coiled spring 50which is located between the inner end of the lock cylinder and theblock 10 of /insu'lating material is compressed. Upon removal of thebo1t4l, by means .of the key 42, from the openings 47 and 48 the spring50 expands to effect outward movement of the lock cylinder 40 and bolt41 into the position shown in Fig. 1. The pin 43 previously referred tois located in cooperative relation to the outer end of the springcontact 15 to which reference has been made previously.

When the lock is moved inwardly into the position shown in Fig. 2 theinner end of the pin 43 is located over the outer end of the contact 15.Consequently when the lock bolt moves into'thelocked position in whichit is shown in Fig. 2 of the drawing the said pin contacts withthevouter end of the spring and depresses or moves the same laterally out ofcontact with the stationary terminal Contact 20 to break the ignitioncircuit. At such time the conducting wire 1 having connection at one endto the timer-distributor as previously stated is grounded through thelock structure which is mounted upon the metal car structure.

Rotation of the lock cylinder within the casing 5 is prevented by `meansof a screw 51, the inner end of which is in screw-thread-` ed engagementwith the said cylinder while the outer end thereof is located within aslot indicated by dotted lines at 52 '1n Flgs. 3 and 4.- s

It will be seen that by my invention .I am enabled to provide a switchlock of simple construction in which, when the lock 1s moved intoAlocking positioml/the switch is locked to its support and cannot beremoved therefrom except by one having a key adapted to the lock; alsothat the locking bolt is provided with means whereby upon movement?.

thereof into locking position the ignition circuit is broken and aportion thereof grounded of the said movable switch contact.

2. In an ignition switch lock; the .combination of a switch casing, asupport for said casing, a movable contact therein which n'ormally is inclosed position, a lock cylinder mounted within the said casing andadapted to reciprocate therein, said cylinder having a locking'boltwhich is adapted to reciprocate transversely of the axis thereof, saidbolt having means which when it is moved outwardly into locking positionengages with the said movable` contact and effects opening movementthereof,` andmeans whereby. when the said in parallel relation to theaxis of said cylinder, which pin, when the bolt moves into lockingposition, -contacts with the said movable contact to effect-openingmovement thereof, and means Wh'ei'eby, when the saidv locking bolt ismoved into locking position, the said switch casing is locked to thesaid support.

4. In 'an ignition switch lock, the combination of .a switch casing, `asupport therefor i provided with a sleeve within which said casl ing isadapted to be mounted, the said casing and sleeve having openings whichare in registry with each other, stationary and movable contacts mountedwithin the said cas-l ing, anda lock cylinder mounted within said casingand adapted to reciprocate therein,l

which cylinder is provided with a locking bolt which is reciprocativeradially of'the .said lock cylinder, said locking` bolt having! a pinwhich proj ects'inwardly therefrom substantially in parallel .relationto the aXis of the said cylinder, which pin, when the said bolt' movesinto locking position, contacts with the said' movable contact to movethe same into open position to break the ignition circuitand the outerend of the said locking bolt entering the openings of the said casin andsleeve whereby the' said casing is locke to the said sleeve. y

5. In an ignition switch lock, the combination of a tubular supportpermanently securedfto a suitable portion of an automobile structure, alining for said support, which lining is permanently secured thereto, a

' casing movably mounted within sai-d lining,

the said casing andlining having registering openings in their sides amovable coni.

tact mountedwithin said casing, said contact normally being inclosedposition, and a lock cylinder mounted to reciprocate' in the'outer-end portion 'of said casing, said/cylinder having a locking boltLwhich is adapted to reciprocate radially thereof, the outer end ofwhich bolt when in locked position enters the said openings to effectlocking of the said casing within said lining and the said locking boltbeing' provided with a pin which 'extends inwardly therefrom in parallelrelation to' the axis of the said lock-cylinder, which pin, when thevlocking bolt is in unlocked position-isdn laterally spaced relationwith "respect, to the said movable contact but en- "moves yinto lockingposition gages the same when the said bolt is moved into lockingposition to effect movement thereof into open position.

6. In an ignition switch lock,the combina- Q i tion of a switch casing,a support therefor,-

stationary and movable contacts' mounted within said casing, the saidmovable contact normally being in closed position, ailock cylindermounted within said casing andadapted to be moved thereinjintoand out oflocking position, and means acting automatically upon the movement ofsaid lock cylinder into locking position to move the said movablecontact into open position and effect grounding of the said movablecontact.

7 In van ignition switch lock, the combination of a switch casing,asupport upon which said casing is detachably mounted, stationary 'andmovable contacts mounted within said casing, the said movable contactnor-f mally being in closed position, a lock cylinder mounted within thesaid casing and movable therein into and out of locking position, andmeans operative .upon the'movementof said lock cylinder intolockingpositio to effect-movement of the said' movable contact out ofengagement with the said stationary contact and to ground the saidmovab'lecon-.-

tact and to eect locking ofthe said casing to its support.

8. In an ignition switch lock 'thecombin'ationof a switch casing, a.movable Contact therein which normally is in closed position, and alock' cylinder mounted withinand adapted to reciprocate in the saidswitch casing, said-cylinder having a locking bolt and a pin mounted onthe said bolt, the said pin being adapted to engage the movable contactto open the same when the said bolt inder to the said casing.

tion of a switchc'asing, a support-.for the Said casing, said casingan'd support having openin gsin their side walls which are in registrywlth each other, a movable contact mounted 9. In an vignition switchlock thec'omhi-na-i i i in the said casing which normall is in closedposition, a lock cylinder monnte vwithin and adapted t o vreciprocate inthe said switch casing, said cylihder'having a. locking bolt which isadapted to enter'said openings toi together, and a pin mounted on 'the'said bolt adapted to engage thesaid contact .when the said boltis movedinto locking position to open the same.

In testimony that I claim the foregoing as my' invention I have hereuntosigned. my, name this 23rd day of September, A. 11.1927.

FREDERICK W. ANDREW.

llock the said casing support" and cylinder

